| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Spirochaeta litoralis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta coccoides | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta caldarium | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta caldaria | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta bajacaliforniensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta aurantia subsp. stricta | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta americana | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spirochaeta alkalica | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spiribacter aquaticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spiractinospora | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Spiractinospora alimapuensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingosinicella vermicomposti | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingosinicella flava | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingorhabdus pacificus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingopyxis wooponensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingopyxis terrae subsp. ummariensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingopyxis terrae subsp. terrae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingopyxis rigui | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingopyxis marina | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingopyxis litoris | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingopyxis jiangsuensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingopyxis flavimaris | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingopyxis contaminans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingopyxis baekryungensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingomonas yanoikuyae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingomonas xenophaga | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingomonas wittichii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingomonas ursincola | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingomonas terrae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Sphingomonas taejonensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |